Because the canvas remained attached to the framework, retractable awnings allowed a more flexible approach to shading (shopkeepers and owners could incrementally adjust the amount of awning coverage depending upon the weather conditions).
On the other hand, Attrition wounds are caused by rubbing or friction like grinding of the teeth. 4. Abrasion occurs when one rock hit another surface. Attrition can be termed as a form of river or coastal erosion where the surface is washed away.here is also another meaning to attrition. Attrition also refers to a staff reduction in companies through usual process like resignation or retirement. Summary. 1. Abrasion is restricted to superficial destruction; attrition is not limited to such destruction. 2.
2. constant wearing down to weaken or destroy (often in the phrase war of attrition) 3. (Industrial Relations & HR Terms) Also called: natural wastage a decrease in the size of the workforce of an organization achieved by not replacing employees who retire or resign. 4. (Physical Geography) geography the grinding down of rock particles by friction during transportation by water, wind, or ice.